Talk:Orbit

From Conservapedia

... thus improving the accuracy and prediction-value of the heliocentric view of the solar system.

I've heard that initially Kepler's theory of elliptical orbits made calculations too cumbersome to predict the future position of planets with greater accuracy than the Ptolemaic system of circles within circles. --Ed PoorTalk 15:36, 9 April 2009 (EDT)